
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;

public class 基础的东西 {
    public static void main(String[] args) throws IOException {
       //第一种键盘输入方法
        Scanner scanner = new Scanner(System.in);
        int i = scanner.nextInt();
        System.out.println(i);
        scanner.close();
        //第二种键盘输入方法
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        String s = bufferedReader.readLine();

/*        //获取类的四种方法
        //第一种是直接获取
        Class targetObjectClass = TargetObject.class;
        //2、通过传入类的路径获取
        //Class aClass = Class.forName();
        //通过对象实例来获取instance.getClass
        TargetObject targetObject = new TargetObject();
        Class aClass1 = targetObject.getClass();
        //通过类加载器
       //ClassLoader.loadclass*/

    }
}
